CN101243836B - Method for nursing sepiella maindroni with soft compound feed - Google Patents
Method for nursing sepiella maindroni with soft compound feed Download PDFInfo
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- CN101243836B CN101243836B CN2008100601188A CN200810060118A CN101243836B CN 101243836 B CN101243836 B CN 101243836B CN 2008100601188 A CN2008100601188 A CN 2008100601188A CN 200810060118 A CN200810060118 A CN 200810060118A CN 101243836 B CN101243836 B CN 101243836B
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- compound feed
- soft compound
- sepiella maindroni
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
- Y02A40/818—Alternative feeds for fish, e.g. in aquacultures
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Abstract
The invention discloses a method for feeding Sepialla maindroni with soft formula feed, which is characterized in that through preparing the formula feed powder needed to feed everyday, the formula feed powder is prepared into the long rod shaped soft formula feed with the length of 2 to 6 cm and the diameter of 0.2 cm, where the water content being 10% to 20%, the weight percentage of crude protein being 38% to 45% and the weight percentage of crude fat being 9% to 11%; and the long rod shaped soft formula feed is reserved with moisture retention and is evenly fed into a net cage of culturing the Sepialla maindroni for average three times a day with the everyday feeding weight being 8% to 12% of the total weight of the Sepialla maindroni in the net cage. The method has the advantages that survival rate of the Sepialla maindroni is high and reaches to more than 43%; the Sepialla maindroni grows well; benefits of artificial culture of the Sepialla maindroni are improved; and feed cost and man-hour cost for culturing the Sepialla maindroni are reduced.
Description
Technical field
The present invention relates to the cultural method of cuttlefish, be specifically related to a kind of method with nursing sepiella maindroni with soft compound feed.
Background technology
Sepiella maindroni (Sepiella maindroni) belongs to siphonopods, it is the important marine economic animal of China, it contains rich in protein and unrighted acid etc., crude protein content is 79.74% of an ash weight, wherein have 7 kinds of essential amino acids and 4 kinds of delicate flavour amino acid, and in the unrighted acid based on EPA and DHA, so Sepiella maindroni is subjected to popular liking deeply with nutritious, delicious flavour.The Sepiella maindroni of nature is a natural feed with animals such as predation fish and shell-fish, propagating Sepiella maindroni at present artificially mainly uses freezing small fish as feed for nursing, freezing small fish directly or shred the back and loose and throw in breeding water body, the feeding volume of every day is the 8-20% of the gross weight of Sepiella maindroni, divide general every day and throw something and feed for 1-3 time, and Sepiella maindroni is lower to the utilization rate of freezing small fish, and can cause the pollution of water quality, thereby it is lower to be with freezing small fish that feed is propagated the survival rate of Sepiella maindroni artificially at present, less than 35%, and feed cost is higher, thereby reduced the benefit of propagating Sepiella maindroni artificially, also the scale of Sepiella maindroni is propagated in restriction artificially.The inventor has invented a kind of soft compound feed that is used for breeding Sepiella maindroni, soft compound feed by basestocks 35-65kg, white fish meal 10-50kg, microcrystalline cellulose 3-8kg, dextrin 5-30kg, biologically extract oily 3-6.5kg, obtain the soft compound feed that moisture content is 10-30% with the water mixed preparing, wherein the weight content of crude protein is 35-50%, the weight content of crude fat is 7-13%, above-mentioned basestocks be domestic fish meal 58%, a-starch 20%, soybean cake 15%, peanut cake 4%, mineral matter 1%, little give birth to plain 2% formulated; Soft compound feed has improved the benefit of propagating Sepiella maindroni artificially, propagates the scale of Sepiella maindroni for expansion artificially and has created condition.
Summary of the invention
Problem to be solved by this invention provides a kind ofly to be had the higher and growth of survival rate and uses the method for nursing sepiella maindroni with soft compound feed preferably.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of method with nursing sepiella maindroni with soft compound feed, comprise the steps: 1), the soft compound feed of feeding every day is by basestocks 35-65kg, white fish meal 10-50kg, microcrystalline cellulose 3-8kg, dextrin 5-30kg, the oily 3-6.5kg of biological extraction is a raw material, through mixing with water, be mixed with the mixed feed powder same day, 2), 2-6cm is grown in the mixed feed powder preparation of above-mentioned steps 1 preparation, diameter is the bar-shaped soft compound feed of the length of 0.2cm, wherein moisture content is 10-20%, the weight content of thick protein is 38-45%, the weight content of crude fat is 9-11%, it is standby to preserve moisture, 3), the bar-shaped soft compound feed of length average mark every day of above-mentioned steps 2 is is evenly thrown something and fed to the net cage of culturing Sepiella maindroni 4 for three times), the long bar-shaped soft compound feed finished product weight of throwing something and feeding every day is the 8-12% of Sepiella maindroni gross weight in the net cage.
The weight content of thick protein is 40-42% in the long bar-shaped soft compound feed.
The weight content of crude fat is 10% in the long bar-shaped soft compound feed.
Long bar-shaped soft compound feed throw something and feed every day weight be in the net cage Sepiella maindroni gross weight 10%.
Crude protein content is measured according to the standard method of GB/T5009.5-2003; Crude fat content is measured according to the standard method of GB/T5009.6-2003.
Compared with prior art, the invention has the advantages that by preparing the mixed feed powder of required nursing every day the same day, mixed feed powder preparation grow into 2-6cm, diameter is the bar-shaped soft compound feed of length of 0.2cm, wherein moisture content is 10-20%, the weight content of thick protein is 38-45%, the weight content of crude fat is 9-11%, every day, average mark was was evenly thrown something and fed for three times to the net cage of culturing Sepiella maindroni, and the long bar-shaped soft compound feed weight of throwing something and feeding every day is the 8-12% of Sepiella maindroni gross weight in the net cage; So just can satisfy the rational nutritional need of the Sepiella maindroni of culturing in the net cage, has the effect of ingesting preferably again, and can not cause the feed excessive buildup in the water body, Sepiella maindroni can be grown quickly, can not cause the pollution of water body again, thereby the survival rate of Sepiella maindroni is higher, reach more than 43%, the well-grown of Sepiella maindroni, propose to propagate artificially the benefit of Sepiella maindroni high, can reduce the feed cost and the time cost of culturing Sepiella maindroni again; The weight content of thick protein is that 40-42% can satisfy the required protein of Sepiella maindroni growth, can not make the protein accumulation cause its physiological change by hyperphagia again; The weight content of crude fat is 10% can satisfy the required aliphatic acid of growth of Sepiella maindroni, can satisfy the required energy of its motion again, thereby reduced the decomposition of body internal protein, improved the speed of growth, be that an amount of fat can play the effect of saving protein, if cross the absorption that can suppress other nutritional labelings at most, cause waste even unfavorable to body; 10% mixed feed feeding volume every day of Sepiella maindroni gross weight also is the desired substance basis of more reasonably growing, and excessive cause feed waste and water pollution are unlikely to again to throw something and feed; Therefore the present invention is a kind of method that nursing sepiella maindroni with soft compound feed is used in the higher and growth of survival rate preferably that has.
The specific embodiment
Below in conjunction with embodiment the present invention is described in further detail.
Embodiment
Implement the place: in the breed pond of Fenghua City plant, culture the 40 purpose net cages that have 6 1m * 1m * 1m in the pond;
Breeding water: take from the Zhejiang Xiangshan Bay, filtered seawater, salinity is 20.97～28.37, pH is 8.02～8.10,27.5～31.4 ℃ of water temperatures, change every day water half;
Culture and use the young: choose through cultivation and after raising and train trunk length be 240 of Sepiella maindronis about 12.7 ± 0.3mm, be divided into 6 groups at random, weigh for 40 every group, put into one of them of 6 net cages respectively separately;
The 1st net cage: use by basestocks 50kg, white fish meal 28kg, microcrystalline cellulose 3.6kg, dextrin 14kg, the oily 3.8kg of biological extraction is a raw material, the biological oil that extracts is that fish oil and soya-bean oil 1: 1 are formulated, through mixing with water, be mixed with the mixed feed powder same day, 2cm is grown in the preparation of mixed feed powder, diameter is the bar-shaped soft compound feed of the length of 0.2cm, wherein moisture content is 15%, the weight content of thick protein is about 38%, the weight content of crude fat is about 10%, it is standby to preserve moisture, every day, average mark was was evenly thrown something and fed for three times to the net cage of culturing Sepiella maindroni, the weight of throwing something and feeding every day be in the net cage Sepiella maindroni gross weight 10%, threw something and fed continuously 30;
The 2nd net cage: described basic identical with first net cage, different just white fish meal weight be 35kg, the weight content of thick protein is about 40%;
The 3rd net cage: described basic identical with first net cage, different just white fish meal weight be 42kg, the weight content of thick protein is about 45%;
Measure the Sepiella maindroni survival rate in every net cage after the breed Sepiella maindroni of above-mentioned 3 net cages thrown something and fed 30 days, wherein the 3rd net cage survives 26, and survival rate is that 65%, the 2 net cage and the 1st net cage all survive 22, and survival rate is 55%; Claim gross weight to the Sepiella maindroni of being survived in every net cage simultaneously, obtain separately flat survey net gain, calculate the relative weight gain rate divided by number of elements, obtain result as shown in table 1, can see also that therefrom the weight content of thick protein is about 40%, the Sepiella maindroni growth better;
The 4th net cage: described basic identical with second net cage, a different every day is for once evenly throwing something and feeding;
The 5th net cage: described basic identical with second net cage, institute is divided into secondary and evenly throws something and feeds different every day;
The 6th net cage: described basic identical with second net cage, different just 1cm is grown in the preparation of mixed feed powder, diameter is the corynebacterium soft compound feed of 0.2cm;
In above-mentioned net cage, to clean out the Sepiella maindroni of dying every day;
The Sepiella maindroni that the 2nd net cage, the 4th net cage, the 5th net cage and the 6th net cage are fed is after feeding the 10th day and the 20th day, add up number of elements that every net cage is deposited, calculate survival rate separately, obtain result as table 2 and table 3, therefrom divide every day three nursing survival rates higher as can be seen, secondary was fed and taken second place every day, and is also higher than corynebacterium soft compound feed nursing survival rate with long bar-shaped soft compound feed.
Table 1: the soft compound feed of different crude protein contents is to the influence of Sepiella maindroni growth
| The 1st net cage | The 2nd net cage | The 3rd net cage | |
| Average net gain g | 7.74 | 13.39 | 10.47 |
| The relative weight gain rate % | 20.44 | 35.3 | 27.66 |
Table 2: the difference influence of number of times of throwing something and feeding every day to the Sepiella maindroni survival rate
| The 4th net cage (once a day) | The 5th net cage (secondary every day) | The 2nd net cage (every day three times) | |
| 10 days survival rate | 55％ | 72.5％ | 82.5％ |
| 20 days survival rate | 45％ | 52.5％ | 65％ |
Table 3: difform soft compound feed is to the influence of Sepiella maindroni survival rate
| The 6th net cage (corynebacterium) | The 2nd net cage (long bar-shaped) | |
| 10 days survival rate | 72.5％ | 82.5％ |
| 20 days survival rate | 57.5％ | 65％ |
To every day the secondary or the soft compound feed of throwing something and feeding for three times to preserve moisture, do not allow its moisture content reduce.
From above-mentioned enforcement as can be seen, comparatively speaking at Sepiella maindroni survival rate, upgrowth situation, consider with overall targets such as the control of feed cost and culture benefits, we think that the mode of throwing something and feeding of second net cage is reasonable for comparing, benefit is also better, so we recommend with bar-shaped soft compound feed of the length of second net cage and feeding method Sepiella maindroni manually to be thrown something and fed.
We have also tested with 3cm, 4cm, 5cm and the long bar-shaped soft compound feed of length of 6cm and have thrown something and fed, and with 2cm survival rate relatively, and no marked change, therefore throwing something and feeding with the long bar-shaped mixed feed of length of 2-6cm all is suitable for.
Claims (4)
1. method with nursing sepiella maindroni with soft compound feed, it is characterized in that comprising the steps: 1), the soft compound feed of feeding every day is by basestocks 35-65kg, white fish meal 10-50kg, microcrystalline cellulose 3-8kg, dextrin 5-30kg, the oily 3-6.5kg of biological extraction is a raw material, through mixing with water, be mixed with the mixed feed powder same day, 2), 2-6cm is grown in the mixed feed powder preparation of above-mentioned steps 1 preparation, diameter is the bar-shaped soft compound feed of the length of 0.2cm, wherein moisture content is 10-20%, the weight content of thick protein is 38-45%, the weight content of crude fat is 9-11%, it is standby to preserve moisture, 3), the bar-shaped soft compound feed of length average mark every day of above-mentioned steps 2 is is evenly thrown something and fed for three times to the net cage of culturing Sepiella maindroni, 4), the long bar-shaped soft compound feed weight of throwing something and feeding every day is the 8-12% of Sepiella maindroni gross weight in the net cage, and described basestocks is by the domestic fish meal 58% of following percent by weight part, a-starch 20%, soybean cake 15%, peanut cake 4%, mineral matter 1%, little element 2% of giving birth to is formulated.
2. a kind of method with nursing sepiella maindroni with soft compound feed as claimed in claim 1 is characterized in that the weight content of thick protein in the long bar-shaped soft compound feed is 40-42%.
3. a kind of method with nursing sepiella maindroni with soft compound feed as claimed in claim 1 is characterized in that the weight content of crude fat in the long bar-shaped soft compound feed is 10%.
4. a kind of method with nursing sepiella maindroni with soft compound feed as claimed in claim 1, it is characterized in that long bar-shaped soft compound feed throw something and feed every day weight be in the net cage Sepiella maindroni gross weight 10%.
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| CN2008100601188A CN101243836B (en) | 2008-03-07 | 2008-03-07 | Method for nursing sepiella maindroni with soft compound feed |
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| CN2008100601188A CN101243836B (en) | 2008-03-07 | 2008-03-07 | Method for nursing sepiella maindroni with soft compound feed |
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| CN101243836B true CN101243836B (en) | 2010-09-08 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101491225B (en) * | 2009-02-19 | 2011-07-20 | 浙江海洋学院 | Rearing method capable of increasing cuttlebone medical value of Sepiella maindroni |
| CN101857901B (en) * | 2010-06-10 | 2012-05-09 | 宁波大学 | Sepiella maindroni releasing and tagging chip and detection method |
| CN102232488B (en) * | 2011-06-24 | 2013-02-13 | 浙江海洋学院 | Sepiella maindroni basal bait formula |
| CN102934620B (en) * | 2012-11-21 | 2014-07-16 | 浙江海洋学院 | Method for feeding sepiella maindroni |
| CN106900600B (en) * | 2016-12-30 | 2020-11-13 | 浙江海洋大学 | Enhanced cultivation method for improving fertility of sepiella maindroni |
Citations (4)
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| CN1559264A (en) * | 2004-03-12 | 2005-01-05 | 中山大学 | Nutrition-enriched forage for parents fish of rockfish, and its pren. method |
| CN1559267A (en) * | 2004-03-05 | 2005-01-05 | 湛江海洋大学 | Compound feed for ovate pompano |
| CN1666637A (en) * | 2004-03-11 | 2005-09-14 | 广州鹭业水产有限公司 | Floating feed for finless eel and manufacturing method thereof |
| CN1961714A (en) * | 2006-11-17 | 2007-05-16 | 江苏天福莱饲料发展有限公司 | A feedstuff for marine lives and pre-maturation process |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1559267A (en) * | 2004-03-05 | 2005-01-05 | 湛江海洋大学 | Compound feed for ovate pompano |
| CN1666637A (en) * | 2004-03-11 | 2005-09-14 | 广州鹭业水产有限公司 | Floating feed for finless eel and manufacturing method thereof |
| CN1559264A (en) * | 2004-03-12 | 2005-01-05 | 中山大学 | Nutrition-enriched forage for parents fish of rockfish, and its pren. method |
| CN1961714A (en) * | 2006-11-17 | 2007-05-16 | 江苏天福莱饲料发展有限公司 | A feedstuff for marine lives and pre-maturation process |
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